ironoxidepowder

noun
UK /ˈaɪən ˈɒksaɪd ˈpaʊdə/
US /ˈaɪərn ˈɑːksaɪd ˈpaʊdər/

Iron oxide powder is a fine, colorful dust made of iron and oxygen that is often red or black.

The artist mixed iron oxide powder with paint to make a rich red color.


OTHER MEANINGS

2. A reddish powder used as a pigment in paints, cosmetics, and ceramics.

She added iron oxide powder to the clay to give the pot a warm brown tone.

3. A magnetic black powder used in recording tapes and magnetic storage.

The old cassette tape was coated with iron oxide powder to store sound.

4. A polishing powder used to make glass and metal surfaces shiny.

The jeweler used iron oxide powder to polish the scratched lens.